2003012920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1615333}}^1$

素因数の和:1615375

約数の個数: 32

約数和(自身を含む): 4652161920

約数和(自身を除く): 2649149000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1615333, 3230666, 6461332, 8076665, 12922664, 16153330, 32306660, 50075323, 64613320, 100150646, 200301292, 250376615, 400602584, 500753230, 1001506460, 2003012920]

約数ペア:

[(1, 2003012920), (2, 1001506460), (4, 500753230), (5, 400602584), (8, 250376615), (10, 200301292), (20, 100150646), (31, 64613320), (40, 50075323), (62, 32306660), (124, 16153330), (155, 12922664), (248, 8076665), (310, 6461332), (620, 3230666), (1240, 1615333)]